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`        The wavelength corresponding to maximum energy for hydrogen is 91.2 nm. Find the corresponding wavelength for He^+ ion.`
one year ago

Arun
24740 Points
```							We know that , 1/x = R*Z²*[1/(n1)²-1/(n2)²] where x is wavelength.According to the question , 1/91.2 = R*1²*[1/(n1)²-1/(n2)²]                        for hydrogen      ..................11/x = R*2²*[1/(n1)²-1/(n2)²]                            for helium           ..................2Dividing the equations 1 and 2, we get,x/91.2 = 1/4x = 22.8 nm
```
one year ago
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• Mind Map
• Study Planner
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• Discussion Forum
• Previous Year Exam Questions